saltation
英
美
n. 跳跃;跳动; (沙石、泥等的)跃移; 突变,飞跃
复数:saltations
英英释义
noun
- a light, self-propelled movement upwards or forwards
- taking a series of rhythmical steps (and movements) in time to music
- an abrupt transition
- a successful leap from college to the major leagues
- (genetics) a mutation that drastically changes the phenotype of an organism or species
- (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
双语例句
- Grains moving in saltation receive most of their forward momentum directly from the pressure of the wind.
在跳跃运动中的颗粒直接接受来自风压力的大部分向前的动量。 - This type of transport is called saltation.
这种类型的搬运称为河底滚沙。 - Saltation is the most significant in the three basic forms ( Saltation, Suspension and Creep) of sand movement blown by wind.
在沙粒运动的三种基本方式(跃移,悬移和蠕移)中,以跃移运动最为重要。 - By using the wavelet transform and the non linear optimization, we calculated parameters and determined the saltation edges of the differential ECG.
该文应用小波变换对信号突变点检出的理论对微分心电信号进行分析,并用非线性最小二乘法进行参数拟合,确定了突变点的位置。 - Simulation to the sand saltation is carried.
同时采用单一轨迹法对沙粒的跃移进行了数值模拟。 - Numerical Simulation and Experiment on the Sand Saltation Trajectory
沙粒跃移轨迹的数值模拟与实验研究 - Research on Sand Saltation Splash Function by High Speed Digital Camera
沙粒跃移击溅函数的高速数字摄像研究 - Advances and Problems of Study on Saltation Particles in Wind Sand Current
风沙流中颗粒跃移研究的某些进展与问题 - First, wavelet transform method was used to check saltation points. Second, the response of the variance of soil moisture of each layer was explored through the analysis of mutual spectrum.
研究运用小波变换对各层土壤水分序列的突变点进行了检测,根据相干谱和互谱特征分析了各层土壤水分变化的响应关系; - The differences between surface creep and saltation are gradual and it is difficult to draw a fixed dividing line.
表面爬行和跳跃之间的差别是渐变的,它很难划一条固定分界线。
